IT1110243B - LUMINOUS PANEL DEVICE - Google Patents
LUMINOUS PANEL DEVICEInfo
- Publication number
- IT1110243B IT1110243B IT20181/79A IT2018179A IT1110243B IT 1110243 B IT1110243 B IT 1110243B IT 20181/79 A IT20181/79 A IT 20181/79A IT 2018179 A IT2018179 A IT 2018179A IT 1110243 B IT1110243 B IT 1110243B
- Authority
- IT
- Italy
- Prior art keywords
- panel device
- luminous panel
- luminous
- panel
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0026—Wavelength selective element, sheet or layer, e.g. filter or grating
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/006—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts or the like
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Road Signs Or Road Markings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE185263A BE864070A (en) | 1978-02-17 | 1978-02-17 | LUMINOUS PANEL DEVICE |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7920181A0 IT7920181A0 (en) | 1979-02-14 |
| IT1110243B true IT1110243B (en) | 1985-12-23 |
Family
ID=3843097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT20181/79A IT1110243B (en) | 1978-02-17 | 1979-02-14 | LUMINOUS PANEL DEVICE |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH629907A5 (en) |
| GB (1) | GB2016193B (en) |
| IT (1) | IT1110243B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4460940A (en) * | 1981-11-07 | 1984-07-17 | Kei Mori | Apparatus for uniform illumination employing light diffuser |
| DE3302157C2 (en) * | 1983-01-22 | 1987-05-14 | Borg Instruments GmbH, 7537 Remchingen | Illumination device for a reflexively operated passive display |
| GB8302772D0 (en) * | 1983-02-01 | 1983-03-02 | Pilkington Perkin Elmer Ltd | Transparent articles |
| GB2134688B (en) * | 1983-02-01 | 1986-08-28 | Pilkington Perkin Elmer Ltd | Assembling transparent articles, eg solar cell covers, by use of markings |
| ES2013204A6 (en) * | 1989-06-28 | 1990-04-16 | Rotulos Roura Sa | An illuminable sign |
| GB2263983B (en) * | 1992-02-07 | 1995-11-01 | Arragon Studios Ltd | Means for producing lighting effects |
| BE1005657A6 (en) * | 1992-10-15 | 1993-12-07 | Connolly Thomas Joseph | Teaches. |
| ES2147130B1 (en) * | 1998-06-30 | 2001-03-01 | Cristescu Maria Sa | SYSTEM TO GENERATE ILLUMINATED ICONOGRAPHS ON RECORDINGS MADE IN LIGHT CONDUCTING MATERIALS. |
-
1979
- 1979-02-14 IT IT20181/79A patent/IT1110243B/en active
- 1979-02-15 CH CH147679A patent/CH629907A5/en not_active IP Right Cessation
- 1979-02-15 GB GB7905325A patent/GB2016193B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2016193A (en) | 1979-09-19 |
| CH629907A5 (en) | 1982-05-14 |
| IT7920181A0 (en) | 1979-02-14 |
| GB2016193B (en) | 1982-08-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970129 |